Problems from The 2020 ICPC Vietnam National Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Astrological Sign0.003603232121238%2.5Easyen
Battle of Hogwarts0.06733100325025%5.6Harden
Cable Car0.002822675320%8.0Harden
Dividing Kingdom0.3416243888221%6.3Harden
Easy Arithmetic0.0822082896221%7.7Harden
Fluffy Cat0.0114322353615%8.0Harden
Greatest Pair0.66143473214620%5.8Harden
Highway to Mount Fansipan0.03347102027327%4.2Mediumen
Infinite 2D Array0.0445663818028%5.6Harden
Just Enough Water0.0042738613836%4.6Mediumen
Kingdom of Cats0.0074369519428%5.0Mediumen
Looping Around0.4718582784717%7.6Harden
Malfunctioning Robot0.0074129636328%3.9Mediumen